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Home >> Nissan-Datsun >> 2009 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 To P0445 >> DTC P0405, P0406 EGRT Sensor >> Component Inspection >> EGR Temperature Sensor
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EGR Temperature Sensor

  1. Turn ignition switch OFF.
  2. Disconnect EGR temperature sensor harness connector.
  3. Check resistance between EGR temperature sensor terminals 1 and 2 as shown in the figure.
    Fig 1: Checking Resistance Between EGR Temperature Sensor Terminals 1 And 2
    G04905523Courtesy of NISSAN MOTOR CO., U.S.A.
    TERMINALS RESISTANCE REFERENCE

    EGR temperature [°C (°F)] Resistance (MΩ)
    0 (32) 0.73 - 0.88
    50 (122) 0.074 - 0.082
    100 (212) 0.011 - 0.014
  4. If NG, replace EGR temperature sensor.
Fig 2: Temperature And Resistance Graph
G04905496Courtesy of NISSAN MOTOR CO., U.S.A.
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